I do not expect miracles either so just for the use for which it is intended to find out keep in touch with home when I am in the garden or isolated in my studio.
Also convenient when we leave we ride a bike with my wife, needless to stay very close to each other to chat.
Final verdict: satisfactory without more, to store in the "advanced toys" but toy nonetheless. From there to use them in use pro ...... there is a margin that I can not overcome!